USGS Province Age of Continuous Oil 

Intervals

USGS National Oil and Gas 

Assessment Website

Anadarko Basin Late Devonian - Early 

Mississippian

Assessment of undiscovered oil and gas resources of the 

Anadarko Basin Province of Oklahoma, Kansas, Texas, 

and Colorado, 2010 (Higley and others, 2011), 

http://pubs.usgs.gov/fs/2011/3003/

Undiscovered petroleum resources for the Woodford Shale and 

Thirteen Finger Limestone–Atoka Shale assessment units, 

Anadarko Basin (Higley, 2011), 

http://pubs.usgs.gov/of/2011/1242/

Evolution of overpressured and underpressured oil and 

gas reservoirs, Anadarko Basin of Oklahoma, Texas, 

and Kansas—overview (Nelson and Gianoutsos, 2011), 

http://pubs.usgs.gov/of/2011/1245/

Anadarko Basin

Appalachian Basin Ordovician

Assessment of undiscovered oil and gas resources of the 

Ordovician Utica Shale of the Appalachian Basin 

Province, 2012 (Kirschbaum and others, 2012), 

http://pubs.usgs.gov/fs/2012/3116/

Assessment of Appalachian Basin oil and gas resources: 

Utica—Lower Paleozoic Total Petroleum System (Ryder, 

2008), http://pubs.usgs.gov/of/2008/1287/

Thermal maturity patterns (CAI and %Ro) in Upper 

Ordovician and Devonian rocks of the Appalachian 

Basin: A major revision of USGS Map I–917–E using 

new subsurface collections (Repetski and others, 2008), 

http://pubs.usgs.gov/sim/3006/

Appalachian 

Basin

Bighorn Basin Late Cretaceous

Assessment of undiscovered oil and gas resources of the 

Bighorn Basin Province, Wyoming and Montana, 2008 

(Kirschbaum and others, 2008), 

http://pubs.usgs.gov/fs/2008/3050/

Petroleum systems and geologic assessment of oil and gas in 

the Bighorn Basin Province, Wyoming and Montana (U.S. 

Geological Survey Bighorn Basin Assessment Team, 2010), 

http://pubs.usgs.gov/dds/dds-069/dds-069-v/

Vitrinite reflectance data for Cretaceous marine shales 

and coals in the Bighorn Basin, north-central Wyoming 

and south-central Montana (Pawlewicz and Finn, 2012), 

http://pubs.usgs.gov/of/2012/1254/

Bighorn Basin

Denver Basin Late Cretaceous

2002 USGS assessment of oil and gas resource potential 

of the Denver Basin Province of Colorado, Kansas, 

Nebraska, South Dakota, and Wyoming (Higley and 

others, 2003), http://pubs.usgs.gov/fs/fs-002-03/

Petroleum systems and assessment of undiscovered oil and gas 

in the Denver Basin Province, Colorado, Kansas, Nebraska, 

South Dakota, and Wyoming—USGS Province 39 (Higley, 

2007), http://pubs.usgs.gov/dds/dds-069/dds-069-p/

Gas, oil, and water production from Wattenberg Field in 

the Denver Basin, Colorado (Nelson and Santus, 2011), 

http://pubs.usgs.gov/of/2011/1175/

Denver Basin

Gulf Coast Basins Cretaceous

Assessment of undiscovered oil and gas resources in 

Jurassic and Cretaceous Strata of the Gulf Coast, 2010 

(Dubiel and others, 2011), 

http://pubs.usgs.gov/fs/2011/3020/

Assessment of undiscovered oil and gas resources in 

conventional and continuous petroleum systems in the Upper 

Cretaceous Eagle Ford Group, U.S. Gulf Coast Region, 2011 

(Dubiel and others, 2012), http://pubs.usgs.gov/fs/2012/3003/

Geologic models and evaluation of undiscovered 

conventional and continuous oil and gas 

resources—Upper Cretaceous Austin Chalk, U.S. Gulf 

Coast (Pearson, 2012), 

http://pubs.usgs.gov/sir/2012/5159/

Gulf Coast Basins

Hanna, Laramie, and 

Shirley Basins Cretaceous

2005 Assessment of undiscovered oil and gas resources 

in Hanna, Laramie, Shirley Basins Province, Wyoming 

(Dyman and others, 2006), 

http://pubs.usgs.gov/fs/2005/3125/

Petroleum systems and geologic assessment of undiscovered oil 

and gas, Hanna, Laramie, and Shirley Basins Province, 

Wyoming and Colorado (U.S. Geological Survey Hanna, 

Laramie, and Shirley Basins Province Assessment Team, 

2007), http://pubs.usgs.gov/dds/dds-069/dds-069-k/

Hanna, Laramie, 

and Shirley 

Basins

Montana Thrust Belt Late Cretaceous

Assessment of undiscovered oil and gas resources of the 

Montana Thrust Belt Province, 2002 (Schenk and 

others, 2002), http://pubs.usgs.gov/fs/fs-148-02/

Montana Thrust 

Belt

Northern Alaska Triassic, Jurassic, 

Cretaceous

Assessment of potential oil and gas resources in source 

rocks of the Alaska North Slope, 2012 (Houseknecht 

and others, 2012), http://pubs.usgs.gov/fs/2012/3013/

Northern Alaska

Paradox Basin Pennsylvanian

Assessment of undiscovered oil and gas resources in the 

Paradox Basin Province, Utah, Colorado, New Mexico, 

and Arizona, 2011 (Whidden and others, 2012), 

http://pubs.usgs.gov/fs/2012/3031/

Burial and thermal history of the Paradox Basin, Utah and 

Colorado, and petroleum potential of the Middle Pennsylvanian 

Paradox Formation (Nuccio and Condon, 1996), 

http://pubs.usgs.gov/bul/b2000o/b2000o.html

Permian deposystems, paleogeography, and 

paleoclimate of the Paradox Basin and vicinity (Dubiel 

and others, 1996), 

http://archives.datapages.com/data/rocky_sepm/data/0

34/034001/427_rocky_mount340427.htm

Paradox Basin

Permian Basin Early Permian

Assessment of undiscovered oil and gas resources of the 

Permian Basin Province of West Texas and Southeast 

New Mexico, 2007 (Schenk and others, 2008), 

http://pubs.usgs.gov/fs/2007/3115/

Permian Basin

Powder River Basin Late Cretaceous

Assessment of undiscovered oil and gas resources of the 

Powder River Basin Province of Wyoming and 

Montana—2006 update (Anna and others, 2006), 

http://pubs.usgs.gov/fs/2006/3135/

Total petroleum systems and geologic assessment of oil and gas 

resources in the Powder River Basin Province, Wyoming and 

Montana (Anna and others, 2009), 

http://pubs.usgs.gov/dds/dds-069/dds-069-u/

Assessment of the Mowry Shale and Niobrara 

Formation as continuous hydrocarbon systems, Powder 

River Basin, Montana and Wyoming (Anna and Cook, 

2008), http://pubs.usgs.gov/of/2008/1367/

Powder River 

Basin

Southwestern Wyoming Late Cretaceous

Assessment of undiscovered oil and gas resources of the 

Southwestern Wyoming Province, 2002 (Kirschbaum, 

Finn and others, 2002), http://pubs.usgs.gov/fs/fs-145-

02/

Petroleum systems and geologic assessment of oil and gas in 

the Southwestern Wyoming Province, Wyoming, Colorado and 

Utah (U.S. Geological Survey Southwestern Wyoming 

Province Assessment Team, 2005), 

http://pubs.usgs.gov/dds/dds-069/dds-069-d/Southwestern 

Wyoming

Uinta-Piceance Basin Tertiary

Assessment of undiscovered oil and gas resources of the 

Uinta-Piceance Province of Colorado and Utah, 2002 

(Kirschbaum, Anna and others, 2002), 

http://pubs.usgs.gov/fs/fs-0026-02/

Petroleum systems and geologic assessment of oil and gas in 

the Uinta-Piceance Province, Utah and Colorado (U.S. 

Geological Survey Uinta-Piceance Assessment Team, 2003), 

http://pubs.usgs.gov/dds/dds-069/dds-069-b/

Oil shale resources of the Eocene Green River 

Formation, Greater Green River Basin, Wyoming, 

Colorado, and Utah (U.S. Geological Survey Oil Shale 

Assessment Team, 2011), http://pubs.usgs.gov/dds/dds069/dds-069-dd/

Uinta-Piceance 

Basin

Williston Basin Devonian - Early 

Mississippian

Assessment of undiscovered oil resources in the Bakken 

and Three Forks Formations, Williston Basin Province, 

Montana, North Dakota, and South Dakota, 2013 

(Gaswirth and others, 2013), 

http://pubs.usgs.gov/fs/2013/3013/

Input-form data for the U.S. Geological Survey assessment of 

the Devonian and Mississippian Bakken and Devonian Three 

Forks Formations of the U.S. Williston Basin Province, 2013 

(U.S. Geological Survey Bakken-Three Forks Assessment 

Team, 2013), http://pubs.usgs.gov/of/2013/1094/

Additional information: 2013 Bakken and Three Forks 

Assessment (U.S. Geological Survey, 2013), 

http://energy.usgs.gov/GeneralInfo/EnergyNewsroomAl

l/TabId/770/ArtMID/3941/ArticleID/985/Bakken-andNew-Three-Forks-Oil-and-Gas-Assessment.aspx

Williston Basin

Table 1. Publication access table – Hyperlinks to USGS continuous-oil assessment publications and web pages

USGS National Oil and Gas Assessment Publications

Digital Data Series 69-JJ

Table 1

U.S. Department of the Interior

U.S. Geological Survey